.go_to_top {
  width: 100%;
  text-align: center;
  padding: 30px 0px;
  display: flex;
  justify-content: center;
  align-items: center;
}

.go_to_top img {
  cursor: pointer;
}

.go_to_top .backBg {
  cursor: pointer;
  background: url('./../images/backBg.png') 100% 100% no-repeat;
  background-size: 100% 100%;
  height: 45px;
  width: 105px;
  font-size: 14px;
  color: white;
  line-height: 45px;
  text-align: center;
  margin-left: 12px;
}